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select_events.py
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select_events.py
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import uproot
import awkward as ak
import numpy as np
import pandas as pd
import numba as nb
import scipy.constants
def select_events( events, minPt1=50.0, minPt2=50.0, apply_exclusive=False ):
selections_ = []
counts_ = []
selections_.append( "All" )
counts_.append( len( events ) )
msk_2muons = ( events.nMuonCand >= 2 )
events_2muons = events[msk_2muons]
dphi = events_2muons.MuonCand.phi[:,0] - events_2muons.MuonCand.phi[:,1]
dphi = np.where( dphi >= scipy.constants.pi, dphi - 2*scipy.constants.pi, dphi)
dphi = np.where( dphi < -scipy.constants.pi, dphi + 2*scipy.constants.pi, dphi)
acopl = 1. - np.abs(dphi)/scipy.constants.pi
events_2muons["Acopl"] = acopl
m1 = events_2muons.MuonCand[:,0]
m2 = events_2muons.MuonCand[:,1]
invariant_mass = np.sqrt( 2*m1.pt*m2.pt*( np.cosh(m1.eta - m2.eta) - np.cos(m1.phi - m2.phi) ) )
events_2muons["InvMass"] = invariant_mass
energy_com = 13000.
xi_mumu_plus = (1./energy_com) * ( m1.pt*np.exp(m1.eta) + m2.pt*np.exp(m2.eta) )
xi_mumu_minus = (1./energy_com) * ( m1.pt*np.exp(-m1.eta) + m2.pt*np.exp(-m2.eta) )
events_2muons["XiMuMuPlus"] = xi_mumu_plus
events_2muons["XiMuMuMinus"] = xi_mumu_minus
pfCands_ = events_2muons.PfCand
pfCands_["dR_0"] = np.sqrt( ( pfCands_.eta - events_2muons.MuonCand.eta[:,0] )**2 + ( pfCands_.phi - events_2muons.MuonCand.phi[:,0] )**2 )
pfCands_["dR_1"] = np.sqrt( ( pfCands_.eta - events_2muons.MuonCand.eta[:,1] )**2 + ( pfCands_.phi - events_2muons.MuonCand.phi[:,1] )**2 )
pfCands_sel1_ = pfCands_[
pfCands_.fromPV == 3.0
]
pfCands_sel2_ = pfCands_sel1_[
pfCands_sel1_.dR_0 > 0.3
]
pfCands_sel3_ = pfCands_sel2_[
pfCands_sel2_.dR_1 > 0.3
]
events_2muons[ "nExtraPfCandPV3" ] = ak.num( pfCands_sel3_ )
primVertexCands_ = events_2muons.PrimVertexCand
events_2muons[ "nVertices" ] = ak.num( primVertexCands_ )
msk_muon = ( np.array( events_2muons.MuonCand.pt[:,0] >= minPt1 ) & np.array( events_2muons.MuonCand.pt[:,1] >= minPt2 ) &
np.array( events_2muons.MuonCand.istight[:,0] == 1 ) & np.array( events_2muons.MuonCand.istight[:,1] == 1 ) &
np.array( ( events_2muons.MuonCand.charge[:,0] * events_2muons.MuonCand.charge[:,1] ) == -1 ) )
selections_.append( "Muon" )
counts_.append( np.sum( msk_muon ) )
msk_vtx = msk_muon & (
np.array( np.abs( events_2muons.PrimVertexCand.z[:,0] ) <= 15. ) &
np.array( np.abs( events_2muons.MuonCand.vtxz[:,0] - events_2muons.PrimVertexCand.z[:,0] ) <= 0.02 ) &
np.array( np.abs( events_2muons.MuonCand.vtxz[:,1] - events_2muons.PrimVertexCand.z[:,0] ) <= 0.02 )
)
selections_.append( "Vertex" )
counts_.append( np.sum( msk_vtx ) )
events_sel = None
if apply_exclusive:
msk_excl = msk_vtx & ( np.array( events_2muons["InvMass"] >= 110. ) &
np.array( events_2muons["Acopl"] <= 0.009 ) &
np.array( events_2muons["nExtraPfCandPV3"] <= 1 ) )
selections_.append( "Exclusive" )
counts_.append( np.sum( msk_excl ) )
events_sel = events_2muons[ msk_excl ]
else:
events_sel = events_2muons[ msk_vtx ]
selections_ = np.array( selections_ )
counts_ = np.array( counts_ )
return ( events_sel, selections_, counts_ )
def select_protons(events, branchName="ProtCand", apply_doublearm=False, version="V1"):
debug_ = False
protons_ = events[ branchName ]
protons_["Run"] = events[ "Run" ]
protons_["LumiSection"] = events[ "LumiSection" ]
protons_["BX"] = events[ "BX" ]
protons_["EventNum"] = events[ "EventNum" ]
protons_["Slice"] = events[ "Slice" ]
protons_["CrossingAngle"] = events[ "CrossingAngle" ]
protons_["Muon0Pt"] = events.MuonCand.pt[:,0]
protons_["Muon0Eta"] = events.MuonCand.eta[:,0]
protons_["Muon0Phi"] = events.MuonCand.phi[:,0]
protons_["Muon0VtxZ"] = events.MuonCand.vtxz[:,0]
protons_["Muon1Pt"] = events.MuonCand.pt[:,1]
protons_["Muon1Eta"] = events.MuonCand.eta[:,1]
protons_["Muon1Phi"] = events.MuonCand.phi[:,1]
protons_["Muon1VtxZ"] = events.MuonCand.vtxz[:,1]
protons_["nVertices"] = events[ "nVertices" ]
protons_["PrimVertexZ"] = events.PrimVertexCand.z[:,0]
protons_["InvMass"] = events[ "InvMass" ]
protons_["nExtraPfCandPV3"] = events[ "nExtraPfCandPV3" ]
protons_["Acopl"] = events[ "Acopl" ]
protons_["XiMuMuPlus"] = events[ "XiMuMuPlus" ]
protons_["XiMuMuMinus"] = events[ "XiMuMuMinus" ]
if version == "V1":
msk_num_prot = ( ak.num( protons_ ) > 0 )
protons_ = protons_[ msk_num_prot ]
return protons_
elif version == "V2":
protons_singleRP_ = protons_[ protons_.ismultirp == 0 ]
protons_multiRP_ = protons_[ protons_.ismultirp == 1 ]
# protons_singleRP_byRP_ = {}
protons_multiRP_byArm_ = {}
# for rpid in ( 3, 23, 103, 123 ):
# protons_singleRP_byRP_[ rpid ] = protons_singleRP_[ protons_singleRP_.rpid == rpid ]
# ppstracks_byRP_[ rpid ] = ppstracks_[ ppstracks_.rpid == rpid ]
#
# print ( "\nNum protons RP {}: {}".format( rpid, ak.num( protons_singleRP_byRP_[ rpid ] ) ) )
# if debug_:
# print ( ak.to_list( protons_singleRP_byRP_[ rpid ] ) )
# print ("\n")
# print ( ak.to_list( ppstracks_byRP_[ rpid ] ) )
for arm in ( 0, 1 ):
protons_multiRP_byArm_[ arm ] = protons_multiRP_[ protons_multiRP_.arm == arm ]
print ( "Num multi-RP protons Arm {}: {}".format( arm, ak.num( protons_multiRP_byArm_[ arm ] ) ) )
if debug_:
print ( ak.to_list( protons_multiRP_byArm_[ arm ] ) )
# msk_ = np.array( ak.num( protons_singleRP_byRP_[ 3 ].xi ) == 1 )
# msk_ &= np.array( ak.num( protons_singleRP_byRP_[ 23 ].xi ) == 1 )
# msk_ &= np.array( ak.num( protons_singleRP_byRP_[ 103 ].xi ) == 1 )
# msk_ &= np.array( ak.num( protons_singleRP_byRP_[ 123 ].xi ) == 1 )
msk_ = np.array( ak.num( protons_multiRP_byArm_[ 0 ] ) > 0 )
msk_ &= np.array( ak.num( protons_multiRP_byArm_[ 1 ] ) > 0 )
protons_multiRP_ = protons_multiRP_[ msk_ ]
protons_singleRP_ = protons_singleRP_[ msk_ ]
return ( protons_multiRP_, protons_singleRP_ )